charactor-code type (16bit)
errorNo type (32bit unsigned integer)
The color space of the image.
Compression mode
Graphics mode
Byte type enum
Encrypt mode
Info dictionary types
The line cap style
The line join style
Permission flags (only Revision 2 is supported)
Text alignment
The text rendering mode
slide show
Writing mode
The page layout enum
PageMode enum
Datetime attribute in the info dictionary.
Point struct
Rectangle
Describes a text width
For certain types of drawing operations you may want to adjust (or transform, which is the proper term) the coordinates in some way The part of the graphic state that tracks this is called the current transformation matrix (CTM).